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I am trying to find a way to switch between networks according to priority.i.e if i find Wifi enabled then i should connect via Wifi if it fails then the alternative to it should be Edge if not the local mobile dialing.

After researching i have found that there is something called Connectivity Manager,in which i can use the method

requestRouteToHost(int networkType, int hostAddress) this will return true or false based on which i can use the alternative type.I would like to know whether this methodology is correct,Also want to know if the android by default has this feature.